Blue floats, hovers and shimmers like an oasis in the garden. Examine it too closely, and blue disappears. Unlike other nevergreen leaves -- whether chartreuse, burgundy or variegated -- blue is not ...

A new species of chameleon with scattered blue spots has been found in the mountains of Tanzania, underscoring the richness of this biologically important region. The brown and green chameleon lizard ...

Chameleons can change to yellow, orange, and black quickly - but struggle with green or blue, experts say. Research found the flap-necked chameleon can match certain colors with greater accuracy and ...